forked from OSchip/llvm-project
41 lines
1.5 KiB
YAML
41 lines
1.5 KiB
YAML
# RUN: llc -mtriple=arm64-applie-ios7.0 -start-before=aarch64-lower-homogeneous-prolog-epilog -homogeneous-prolog-epilog %s -o - | FileCheck %s
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#
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# This test ensure no outlined epilog is formed when X16 is live across the helper.
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--- |
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@FuncPtr = local_unnamed_addr global i32 (i32)* null, align 8
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define i32 @_Z3fooi(i32) minsize "frame-pointer"="all" {
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ret i32 0
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}
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declare i32 @_Z3gooii(i32, i32)
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...
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---
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name: _Z3fooi
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $w0, $lr, $x19, $x20
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successors: %bb.1
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frame-setup HOM_Prolog $lr, $fp, $x19, $x20, 16
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frame-setup CFI_INSTRUCTION def_cfa $w29, 16
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frame-setup CFI_INSTRUCTION offset $w30, -8
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frame-setup CFI_INSTRUCTION offset $w29, -16
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frame-setup CFI_INSTRUCTION offset $w19, -24
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frame-setup CFI_INSTRUCTION offset $w20, -32
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$w19 = nsw ADDWri $w0, 1, 0
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$w1 = ORRWrr $wzr, $w0
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$w0 = ORRWrr $wzr, $w19
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BL @_Z3gooii, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $w0, implicit $w1, implicit-def $sp, implicit-def $w0
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$x8 = ADRP target-flags(aarch64-page) @FuncPtr
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$x16 = LDRXui killed renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) @FuncPtr
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$w0 = nsw ADDWrr renamable $w0, killed renamable $w19
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$lr, $fp, $x19, $x20 = frame-destroy HOM_Epilog
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B %bb.1
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bb.1:
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liveins: $w0, $x16
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TCRETURNri killed renamable $x16, 0, csr_aarch64_aapcs, implicit $sp, implicit $w0
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# CHECK: _OUTLINED_FUNCTION_PROLOG_FRAME16_x30x29x19x20:
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# CHECK-NOT: _OUTLINED_FUNCTION_EPILOG_x30x29x19x20:
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